Crossword Genius

Something done on the brass perhaps, causing some friction (7)

Ross

I believe the answer is:

rubbing

I'm a little stuck... Click here to teach me more about this clue!

'some friction' is the definition.
(synonyms)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Another definition for rubbing that I've seen is " Chafing".)

I've seen this clue in The Guardian.
Want a hint initially instead of a full solution? Install my app